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Organization and Nature of Operations - Additional Information (Detail)
12 Months Ended
Dec. 31, 2015
quarry
coal_reserve
company
plant
terminal
Oct. 01, 2014
quarry
plant
terminal
Collaborative Arrangements Non collaborative Arrangements And Business Acquisitions Transactions [Line Items]    
Number of coal producing regions | coal_reserve 3  
Number of operating companies owned | company 2  
Ciner Wyoming    
Collaborative Arrangements Non collaborative Arrangements And Business Acquisitions Transactions [Line Items]    
Percentage of partnership interest owned (percent) 49.00%  
VantaCore Partners LP    
Collaborative Arrangements Non collaborative Arrangements And Business Acquisitions Transactions [Line Items]    
Number of hard rock quarries | quarry 4 3
Number of sand and gravel plants 6 6
Number of asphalt plants 2 2
Number of marine terminal | terminal 2 1